PowerOutageHistory
Reliability Grade
A
Top tier
2015-2025
Illinois

Wayne CountyPower Outage History

20152025 · Illinois
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What this grade means

Top 20% most reliable nationally — infrequent, short outages. This county ranks in the most reliable fifth of all US counties in our dataset, based on 12 years of real DOE outage records: outages happen less often here, and when they do occur they tend to be resolved quickly compared to the rest of the country. Baseline outage risk is low, though a severe local storm can still occasionally cause a longer-than-usual outage regardless of the long-term track record.

Takeaway
Low outage risk
Reliability Rank
Fuller bar = more reliable
Nationwide88th pct
In Illinois#12 of 102
See full Illinois rankings →
Total events
241
Recorded 2015–2025
Avg duration
1.5 hrs
Per outage event
Longest outage
16 hrs
Single worst event on record
Customers served
10,429
Utility customers in county

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Aug 1, 20248 hrs5,406 (52%)Flash Flood
May 27, 20246 hrs5,196 (50%)Thunderstorm Wind
Jun 17, 202213 hrs4,138 (40%)Excessive Heat
Sep 18, 2024<1 hr3,238 (31%)Unnamed event
Mar 8, 2022<1 hr3,079 (30%)Unnamed event

Was There an Outage on a Specific Date?

Pick a date to see whether a power outage was recorded for Wayne County, Illinois that day.

Over the 11 years from 2015 to 2025, Wayne County recorded 241 distinct power outage events, averaging 1.5 hours per event.

The single worst outage on record in Wayne County started August 1, 2024 (Flash Flood), lasting 8 hours and leaving up to 5,406 customers without power (52% of the county) at its peak.

July has historically been the worst month for outages in Wayne County, with 29 events recorded during that month across the dataset.

Based on this history, Wayne County earns a Reliability Grade of A, placing it in the 88th percentile nationally for grid reliability (higher percentile = more reliable).

Similar counties in Illinois

Counties with the closest reliability grade and national percentile to Wayne County.

CountyGradeNational percentile
White CountyA88th
Richland CountyA87th
DeKalb CountyA89th
Effingham CountyA89th
Schuyler CountyA91st

Most reliable counties nationally

The top 3 counties nationally by reliability grade and percentile.

CountyStateGradeNational percentile
Clay CountySouth DakotaA100th
Clearwater CountyMinnesotaA99th
Limestone CountyAlabamaA99th

Least reliable counties nationally

The bottom 3 counties nationally by reliability grade and percentile.

FAQ

How often does power go out in Wayne County?

Between 2015 and 2025, Wayne County recorded 241 outage events, averaging 1.5 hours each.

What is Wayne County's reliability grade?

Wayne County has a Reliability Grade of A, in the 88th national percentile.

What was the worst power outage in Wayne County?

The worst outage on record started August 1, 2024 (Flash Flood), lasting 8 hours and affecting up to 5,406 customers.

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Data: ORNL EAGLE-I Recorded Electricity Outages (2014–2025), CC BY 4.0. Storm names: NOAA Storm Events Database. Last data refresh: 2025. See methodology.